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- Vortrag (73)
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Schlagworte
- Radar (21)
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- X-ray CT (2)
- X-ray Computed Tomography (CT) (2)
- Zeughaus, Berlin (2)
- alkali-silica-reaction (2)
- mu-3D-CT (2)
- 1H-NMR (1)
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- 40°C fog chamber (1)
- 60° C-Betonversuch (1)
- 60°C concrete prism test (1)
- AKR, Betonfahrbahndecke, Tausalzeintrag, Innenhydrophobierung (1)
- AKRVermeidungsstrategie (1)
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- Accelerated concrete prism test (1)
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- Acoustic emissions (1)
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- Alkali ingress (1)
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- Alkali-Silica Reaction (1)
- Alkali-Silica Reaction (ASR) (1)
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- In-situ CT (1)
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- Micro-Crack (1)
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- Micromechanics model (1)
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- Monitoring of damage (1)
- NMR-Relaxometrie (1)
- NaCl (1)
- Natürliche Pozzolane (1)
- Nebelkammerlagerung bei 40° C (1)
- Non-destructive technique (NDT) (1)
- Nuclear Magnetic Resonance (1)
- Numerical hygrothermic simulations (1)
- Numerical simulations (1)
- Oberflächentexturierung (1)
- Ordinary concrete (1)
- PP-Fasern (1)
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- Polypropylen fibres (1)
- Polypropylene fibers (1)
- Polypropylenfasern (PPF) (1)
- Preventive measures (1)
- Protective winter cover (1)
- Präzision (1)
- Prüfmethoden (1)
- Prüfverfahren (1)
- Prüfverfahren AL Sp-Beton (1)
- Quantitative moisture measurement (1)
- Quasi non-destructive assessment (1)
- RDO - Beton (1)
- ROI (1)
- Reflexionsvermögen (1)
- Regression analysis (1)
- Reinforcement Detection (1)
- Risse (1)
- Road pavement (1)
- Röntgen-Computertomografie (1)
- Röntgen3D-CT (1)
- Schallemission (1)
- Schallemissionsprüfung (1)
- Schädigende AKR (1)
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- Selbstverdichtender Beton (SVB) (1)
- Self-compacting concrete (1)
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- Simulation (1)
- Sommer (1)
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- Standardised fire resistance tests (1)
- Stein (1)
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- Testing for potential AAR (1)
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- Ultraschallprüfung (1)
- Ultrasonic and ray (1)
- Ultrasound wave velocities (1)
- Uniaxial compressive strength (1)
- Verformung (1)
- Vergleich- und Wiederholbedingungen (1)
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- Winter (1)
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- X-Ray (1)
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- X-ray computed tomography (XCT) (1)
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- X-ray-CT (1)
- ZFP (1)
- ZIBAmira (1)
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- Zyklische Belastung (1)
- Zyklischen Belastung (1)
- building materials (1)
- concrete (1)
- concrete pavements (1)
- damage monitoring (1)
- durability (1)
- fatigue (1)
- zyklische Belastung (1)
- µ-3D-CT (1)
Organisationseinheit der BAM
Eingeladener Vortrag
- nein (73)
The moisture condition of solid brick and sandstone walls of historic buildings may be examined and monitored non-destructively and effectively by means of a novel combination of test methods which provide useful information on planning and monitoring rehabilitation and maintenance measures.
Results are presented of an interdisciplinary research project of BAM on the moisture balance in the main cornice area of the Berlin Zeughaus. The main part of the investigations was carried out in 1994 and 1995. The quality of the prognosticated drying out process has been verified annually by means of measurements up to 2002. The depth-resolved local moisture determinations were accomplished with a microwave method developed by BAM. The moisture profiles revealed excessive moisture in the building element and reflected the slow drying process. Additionally, endoscopic examinations and chemical and physical analyses of miniature samples were carried out as well to help interpret the results. Hygrothermal data could be calculated from the quasi non-destructive tests and the parameters determined by the laboratory tests. Based on the 1995 measured moisture profile in the building element, the predicted simulation calculation indicated that a relatively long drying out process must be anticipated. Therefore the planned waterproofing sealing can at the earliest be applied to the surface of the building element in 2005. The good correlation of predicted and measured moisture profiles of the past years demonstrates the high quality of the new combination of test methods.
- einer der größten zusammenhängenden Gebäudekomplexe in Europa
- Anfang der dreißiger Jahre von Prof. Sagebiel geplant, 1936 Baubeginn, heute zu 70%fertiggestellt
- steht heute wegen großer verkehrs- und baugeschichtlicher Bedeutung unter Denkmalschutz
- in Abfertigungshalle befindliche Fachwerkträger mit selbsttätiger Vorspannung zeigen Anfang des Spannbetonbaus
- ab 1997 Überarbeitung des Nutzungskonzeptes der Räume über den Fachwerkträgern durch Berliner Flughafengesellschaft
- Erfordernis der Abschätzung der Tragfähigkeit der Fachwerkträger